Pet scratcher



FIG. 1 is a perspective view of a pet scratcher showing our new design;

FIG. 2 is a top view thereof, the bottom view being identical;

FIG. 3 is a front view thereof, the back view being identical; and,

FIG. 4 is left side view thereof, the right side view being identical. 

CLAIM The ornamental design for a pet scratcher, as shown and described. 